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Related Experiment Video

Updated: May 23, 2026

Production of Germ-Free Fast-Growing Broilers from a Commercial Line for Microbiota Studies
05:51

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Published on: June 18, 2020

Antimicrobial use in Belgian broiler production.

Davy Persoons1, Jeroen Dewulf, Annemieke Smet

  • 1Department of Obstetrics, Reproduction and Herd Health, Veterinary Epidemiology Unit, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium. davy.persoons@ugent.be

Preventive Veterinary Medicine
|March 31, 2012
PubMed
Summary

Antimicrobial use in Belgian broiler farms is common, with high treatment incidences. Amoxicillin, tylosin, and trimethoprim-sulphonamide were most frequent, with dosing accuracy varying by drug.

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Area of Science:

  • Veterinary Medicine
  • Antimicrobial Resistance
  • Food Safety

Background:

  • Rising antimicrobial resistance in bacteria is a global concern, particularly in food-producing animals.
  • Antimicrobial consumption in livestock contributes to resistance development, impacting public health.
  • Understanding usage patterns in broiler farms is crucial for effective resistance management strategies.

Purpose of the Study:

  • To quantify antimicrobial consumption in Belgian broiler farms.
  • To assess the accuracy of antimicrobial dosing in production animals.
  • To identify frequently used antimicrobial compounds and their usage patterns.

Main Methods:

  • Collected antimicrobial consumption data from 32 Belgian broiler farms over two production cycles (2007-2008).
  • Calculated treatment incidences (TI) using defined daily doses (DDD) and used daily doses (UDD).
  • Analyzed the ratio of UDD/DDD to evaluate dosing accuracy.

Main Results:

  • Antimicrobials were used in 48 out of 64 monitored production cycles.
  • Mean TI per 1000 animals was 131.8 (DDD) and 121.4 (UDD).
  • Amoxicillin, tylosin, and trimethoprim-sulphonamide were the most frequently used antimicrobials. Tylosin was often underdosed, while amoxicillin and trimethoprim-sulphonamide were slightly overdosed.

Conclusions:

  • Significant antimicrobial usage occurs in Belgian broiler production.
  • Variations in dosing practices (under- and overdosing) were observed for key antimicrobials.
  • Accurate antimicrobial stewardship is essential to mitigate resistance development in food-producing animals.